在当今社会,走失人员寻亲问题牵动着无数家庭的心。传统寻亲方式存在信息分散、匹配效率低、资源浪费严重等痛点。针对这一社会需求,我们设计开发了一套高效、可靠的寻亲信息智能匹配系统,采用成熟的SSM框架技术栈,构建了一个集信息发布、智能匹配、多方协作为一体的专业化平台。
系统架构与技术栈
本系统采用经典的SSM(Spring+Spring MVC+MyBatis)三层架构,结合Maven项目管理和MySQL数据库,构建了一个高内聚、低耦合的企业级应用。
技术架构层次分明:
- 表现层:JSP动态页面配合jQuery实现丰富的用户交互体验
- 控制层:Spring MVC框架通过注解驱动处理请求分发
- 业务层:Spring IoC容器管理业务组件,AOP处理事务控制
- 持久层:MyBatis提供灵活的SQL映射和对象关系映射
- 数据层:MySQL数据库存储结构化数据,外键约束保证数据完整性
<!-- Maven依赖配置示例 -->
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.22</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.7</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.30</version>
</dependency>
</dependencies>
数据库设计亮点分析
系统数据库设计充分考虑了寻亲业务的特性和性能需求,通过合理的表结构设计和外键约束,确保了数据的一致性和查询效率。
订单管理表设计分析
t_orders表的设计体现了良好的规范化程度:
CREATE TABLE `t_orders` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`t_pdetail` varchar(255) DEFAULT NULL COMMENT '购买商品详情',
`t_address` varchar(255) DEFAULT NULL COMMENT '收货地址',
`t_keeper` varchar(255) DEFAULT NULL COMMENT '收货人',
`t_phone` varchar(255) DEFAULT NULL COMMENT '联系电话',
`t_ydanhao` varchar(255) DEFAULT NULL COMMENT '运单号',
`t_comment` varchar(255) DEFAULT NULL COMMENT '评价',
`t_bz` longtext DEFAULT NULL COMMENT '备注',
`addTime` datetime DEFAULT NULL COMMENT '插入数据库时间',
`user_id` int(11) DEFAULT NULL COMMENT '对应User表的ID,在这里作为外键',
`orderStatus_id` int(11) DEFAULT NULL COMMENT '对应OrderStatus表的ID,在这里作为外键',
PRIMARY KEY (`id`),
KEY `FK40BCA1302D852AE4` (`user_id`),
KEY `FK40BCA13040267590` (`orderStatus_id`),
CONSTRAINT `FK40BCA1302D852AE4` FOREIGN KEY (`user_id`) REFERENCES `t_user` (`id`),
CONSTRAINT `FK40BCA13040267590` FOREIGN KEY (`orderStatus_id`) REFERENCES `t_orderstatus` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='订单管理表'
设计亮点:
- 外键约束优化:通过
user_id和orderStatus_id外键关联,确保数据引用完整性 - 索引策略:为外键字段建立索引,提升联表查询性能
- 字符集选择:采用utf8mb4字符集,支持emoji等特殊字符存储
- 注释完整:每个字段都有详细注释,便于维护和理解
地址管理表设计
t_address表的设计考虑了用户多地址管理的需求:
CREATE TABLE `t_address` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`t_name` varchar(255) DEFAULT NULL COMMENT '收货人姓名',
`t_phone` varchar(255) DEFAULT NULL COMMENT '联系电话',
`t_address` varchar(255) DEFAULT NULL COMMENT '收货地址',
`t_bz` longtext DEFAULT NULL COMMENT '备注',
`addTime` datetime DEFAULT NULL COMMENT '插入数据库时间',
`user_id` int(11) DEFAULT NULL COMMENT '对应User表的ID,在这里作为外键',
PRIMARY KEY (`id`),
KEY `FKDA6227092D852AE4` (`user_id`),
CONSTRAINT `FKDA6227092D852AE4` FOREIGN KEY (`user_id`) REFERENCES `t_user` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='地址管理表'
该表通过user_id外键与用户表关联,支持一个用户维护多个收货地址,满足实际业务中用户可能有多个联系地址的需求。

核心功能实现详解
地址管理功能实现
地址管理模块采用标准的MVC模式,Controller层处理请求分发,Service层实现业务逻辑,Mapper层负责数据持久化。
Controller层核心代码:
@Controller
@RequestMapping(value = "Address")
public class AddressController {
@Autowired
private AddressService addressService;
@Autowired
private UserService userService;
@RequestMapping(value = "/initPage.do")
public String initPage(HttpServletRequest request, Model model) {
// 获取用户列表,排除管理员账户
List<User> listUser = userService.getList(null, null);
List<User> returnUser = new ArrayList<>();
for (int i = 0; i < listUser.size(); i++) {
if(!listUser.get(i).getS_11().equals("admin")){
returnUser.add(listUser.get(i));
}
}
model.addAttribute("listUser", listUser);
return "Address/saveOrUpdate";
}
@RequestMapping(value = "/selectList.do")
public String selectList(HttpServletRequest request, Address address, Model model) {
// 根据ID获取地址详情
address = addressService.getById(address.getId());
model.addAttribute("util", address);
List<User> listUser = userService.getList(null, null);
model.addAttribute("listUser", listUser);
return "Address/saveOrUpdate";
}
@RequestMapping(value = "/saveOrUpdate.do")
@Tip(operationTip="保存成功")
public String saveOrUpdate(HttpServletRequest request, Address address, Model model) {
// 设置创建时间
address.setAddTime(new Date());
// 根据ID判断是新增还是更新操作
if (address.getId() == null) {
addressService.save(address);
} else {
addressService.update(address);
}
return "redirect:list.do";
}
}
Service层业务逻辑实现:
@Service
public class AddressServiceImpl implements AddressService {
@Autowired
private AddressMapper addressMapper;
@Override
@Transactional
public void save(Address address) {
// 数据验证
if (address.getT_name() == null || address.getT_name().trim().isEmpty()) {
throw new RuntimeException("收货人姓名不能为空");
}
if (address.getT_phone() == null || address.getT_phone().trim().isEmpty()) {
throw new RuntimeException("联系电话不能为空");
}
addressMapper.insert(address);
}
@Override
@Transactional
public void update(Address address) {
Address existingAddress = addressMapper.selectById(address.getId());
if (existingAddress == null) {
throw new RuntimeException("地址不存在");
}
addressMapper.updateById(address);
}
}
MyBatis Mapper XML配置:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.edu.mapper.AddressMapper">
<resultMap id="BaseResultMap" type="com.edu.model.Address">
<id column="id" property="id" jdbcType="INTEGER"/>
<result column="t_name" property="t_name" jdbcType="VARCHAR"/>
<result column="t_phone" property="t_phone" jdbcType="VARCHAR"/>
<result column="t_address" property="t_address" jdbcType="VARCHAR"/>
<result column="t_bz" property="t_bz" jdbcType="LONGVARCHAR"/>
<result column="addTime" property="addTime" jdbcType="TIMESTAMP"/>
<result column="user_id" property="user_id" jdbcType="INTEGER"/>
</resultMap>
<insert id="insert" parameterType="com.edu.model.Address"
useGeneratedKeys="true" keyProperty="id">
INSERT INTO t_address (t_name, t_phone, t_address, t_bz, addTime, user_id)
VALUES (#{t_name}, #{t_phone}, #{t_address}, #{t_bz}, #{addTime}, #{user_id})
</insert>
<select id="selectById" parameterType="java.lang.Integer" resultMap="BaseResultMap">
SELECT * FROM t_address WHERE id = #{id}
</select>
</mapper>

智能匹配算法实现
寻亲信息匹配是系统的核心功能,通过相似度算法实现走失人员信息与寻亲启事的智能匹配。
@Service
public class MatchingService {
@Autowired
private MissingPersonMapper missingPersonMapper;
@Autowired
private SearchNoticeMapper searchNoticeMapper;
/**
* 计算两个信息的匹配度
* @param missingPerson 走失人员信息
* @param searchNotice 寻亲启事信息
* @return 匹配度分数(0-100)
*/
public double calculateMatchScore(MissingPerson missingPerson, SearchNotice searchNotice) {
double totalScore = 0;
double maxScore = 0;
// 地域匹配权重:30%
if (missingPerson.getLastSeenArea().equals(searchNotice.getSearchArea())) {
totalScore += 30;
}
maxScore += 30;
// 时间匹配权重:25%
long timeDiff = Math.abs(missingPerson.getMissingTime().getTime()
- searchNotice.getMissingTime().getTime());
if (timeDiff < 24 * 60 * 60 * 1000) { // 24小时内
totalScore += 25;
} else if (timeDiff < 7 * 24 * 60 * 60 * 1000) { // 7天内
totalScore += 20;
} else if (timeDiff < 30 * 24 * 60 * 60 * 1000) { // 30天内
totalScore += 15;
}
maxScore += 25;
// 特征描述匹配权重:45%
double featureScore = calculateFeatureSimilarity(
missingPerson.getFeatures(), searchNotice.getFeatures());
totalScore += featureScore * 45;
maxScore += 45;
return (totalScore / maxScore) * 100;
}
private double calculateFeatureSimilarity(String features1, String features2) {
// 使用余弦相似度算法计算特征文本相似度
Map<String, Integer> wordFreq1 = getWordFrequency(features1);
Map<String, Integer> wordFreq2 = getWordFrequency(features2);
Set<String> words = new HashSet<>();
words.addAll(wordFreq1.keySet());
words.addAll(wordFreq2.keySet());
double dotProduct = 0;
double norm1 = 0;
double norm2 = 0;
for (String word : words) {
int freq1 = wordFreq1.getOrDefault(word, 0);
int freq2 = wordFreq2.getOrDefault(word, 0);
dotProduct += freq1 * freq2;
norm1 += freq1 * freq1;
norm2 += freq2 * freq2;
}
return dotProduct / (Math.sqrt(norm1) * Math.sqrt(norm2));
}
}
评论管理功能
评论系统支持用户对寻亲信息进行交流和讨论,采用外键关联确保数据完整性。
@Entity
@Table(name = "t_comment")
public class Comment {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@Column(name = "t_target")
private String target; // 评论资源类型
@Column(name = "t_tid")
private String targetId; // 评论资源ID
@Column(name = "t_content")
private String content; // 评论内容
@Column(name = "t_bz")
private String remark; // 备注
@Column(name = "addTime")
private Date addTime; // 创建时间
@ManyToOne
@JoinColumn(name = "user_id")
private User user; // 评论用户
// getter和setter方法
}

实体模型设计
系统采用面向对象的设计思想,通过实体类映射数据库表结构,实现业务对象的封装。
用户实体设计
@Entity
@Table(name = "t_user")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@Column(name = "username")
private String username;
@Column(name = "password")
private String password;
@Column(name = "real_name")
private String realName;
@Column(name = "phone")
private String phone;
@Column(name = "email")
private String email;
@Column(name = "user_type")
private String userType; // 用户类型:家属、志愿者、机构
@Column(name = "status")
private Integer status; // 用户状态
@Column(name = "addTime")
private Date addTime;
@OneToMany(mappedBy = "user", cascade = CascadeType.ALL)
private List<Address> addresses = new ArrayList<>();
@OneToMany(mappedBy = "user", cascade = CascadeType.ALL)
private List<Comment> comments = new ArrayList<>();
// 构造方法、getter、setter等
}
资讯管理实体
@Entity
@Table(name = "t_zixun")
public class News {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@Column(name = "t_title")
private String title;
@Column(name = "t_bz")
private String content;
@Column(name = "addTime")
private Date addTime;
@ManyToOne
@JoinColumn(name = "ztype_id")
private NewsType newsType;
// 关联方法
public String getSummary() {
if (content != null && content.length() > 100) {
return content.substring(0, 100) + "...";
}
return content;
}
}

功能展望与优化建议
基于当前系统架构,未来可以从以下几个方面进行优化和功能扩展:
1. 引入Redis缓存提升性能
实现思路:
@Service
public class CachedMatchingService {
@Autowired
private RedisTemplate<String, Object> redisTemplate;
private static final String MATCH_CACHE_PREFIX = "match:result:";
public List<MatchResult> getCachedMatchResults(Integer missingPersonId) {
String cacheKey = MATCH_CACHE_PREFIX + missingPersonId;
List<MatchResult> results = (List<MatchResult>) redisTemplate.opsForValue().get(cacheKey);
if (results == null) {
results = calculateMatchResults(missingPersonId);
// 缓存30分钟
redisTemplate.opsForValue().set(cacheKey, results, 30, TimeUnit.MINUTES);
}
return results;
}
}
2. 微服务架构改造
将单体应用拆分为多个微服务:
- 用户服务:处理用户注册、认证、权限管理
- 匹配服务:专门负责智能匹配算法
- 消息服务:处理通知、邮件、短信推送
- 文件服务:管理图片、文档等文件存储
3. 移动端适配与PWA应用
开发响应式前端,支持PWA(渐进式Web应用)特性:
- Service Worker实现离线缓存
- 推送通知功能
- 移动端原生体验
4. 大数据分析功能
集成大数据分析平台,实现:
- 走失热点区域分析
- 时间规律分析
- 成功率影响因素分析
- 智能预警系统
5. 区块链技术应用
利用区块链的不可篡改性:
- 存证关键寻亲信息
- 建立可信度评分体系
- 防止信息篡改和欺诈
@Service
public class BlockchainService {
public void storeEvidence(MissingPerson person, String evidenceHash) {
// 将关键信息哈希值存储到区块链
BlockchainTransaction transaction = new BlockchainTransaction();
transaction.setDataHash(evidenceHash);
transaction.setTimestamp(new Date());
transaction.setType("MISSING_PERSON_EVIDENCE");
blockchainClient.sendTransaction(transaction);
}
}

总结
本寻亲信息智能匹配平台通过成熟的